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authorAnton Luka Šijanec <anton@sijanec.eu>2022-01-11 12:35:47 +0100
committerAnton Luka Šijanec <anton@sijanec.eu>2022-01-11 12:35:47 +0100
commit19985dbb8c0aa66dc4bf7905abc1148de909097d (patch)
tree2cd5a5d20d7e80fc2a51adf60d838d8a2c40999e /vendor/web-token/jwt-util-ecc/ModularArithmetic.php
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-rw-r--r--vendor/web-token/jwt-util-ecc/ModularArithmetic.php35
1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/web-token/jwt-util-ecc/ModularArithmetic.php b/vendor/web-token/jwt-util-ecc/ModularArithmetic.php
new file mode 100644
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--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/ModularArithmetic.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * @internal
+ */
+class ModularArithmetic
+{
+ public static function sub(\GMP $minuend, \GMP $subtrahend, \GMP $modulus): \GMP
+ {
+ return Math::mod(Math::sub($minuend, $subtrahend), $modulus);
+ }
+
+ public static function mul(\GMP $multiplier, \GMP $muliplicand, \GMP $modulus): \GMP
+ {
+ return Math::mod(Math::mul($multiplier, $muliplicand), $modulus);
+ }
+
+ public static function div(\GMP $dividend, \GMP $divisor, \GMP $modulus): \GMP
+ {
+ return self::mul($dividend, Math::inverseMod($divisor, $modulus), $modulus);
+ }
+}